<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            border: 2px solid red;
        }

        /* 解决方案1 */
        img {
            vertical-align: bottom;
        }

        /* 解决方案2  不太推荐*/
        /* img {
            display: block;
        } */
    </style>
</head>

<body>
    <img src="images/bg1.png" alt="">宋广发
</body>

</html>